To provide a screw fall preventing structure configured to prevent a screw from being screwed diagonally in fastening a unit to an apparatus body and preventing the screw from falling out of the unit easily when the screw is not fastened.
The fall preventing structure prevents drop out, from a unit, of the screw 82 for fastening the unit which can be attached to or detached from a body frame 86 of the apparatus body to the body frame 86. The fall preventing structure includes a wire piece 94 having a bent portion (94B), which is bent in a U-shaped loop, to hold the screw 82 therein axially and rotatably, and a screw 78 which is a fixing member to fasten the wire piece 94 to a main frame 72 which is a component of the unit. While being not fastened by the screw 82, the screw 82 is elastically supported by the screw 78 through the wire piece 94.
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Kobayashi Kunito
Koji Kawabata
Koichi Kimura